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# Work Class 9 Notes | EduRev

## Class 9 : Work Class 9 Notes | EduRev

``` Page 1

Work  chapter for CBSE IV
Prepared by
Prof. Shishir Deshmukh
Page 2

Work  chapter for CBSE IV
Prepared by
Prof. Shishir Deshmukh
Work can be generally said to be Physical or Mental
Initial Position Final Position
Man apply a force on trolley  change its position due to gain of energy by trolley
And Man losses energy
Boy reading a book ,doing a mental work
Page 3

Work  chapter for CBSE IV
Prepared by
Prof. Shishir Deshmukh
Work can be generally said to be Physical or Mental
Initial Position Final Position
Man apply a force on trolley  change its position due to gain of energy by trolley
And Man losses energy
Boy reading a book ,doing a mental work
Scientifically Work is said to be Done when body is displace by the application of force,
If body does not displace by the application of force ,No work done takes place.
A Man is pushing a trolley , trolley move forward
Work done takes place
Man lift the weight from ground to a height, work done by a man
Page 4

Work  chapter for CBSE IV
Prepared by
Prof. Shishir Deshmukh
Work can be generally said to be Physical or Mental
Initial Position Final Position
Man apply a force on trolley  change its position due to gain of energy by trolley
And Man losses energy
Boy reading a book ,doing a mental work
Scientifically Work is said to be Done when body is displace by the application of force,
If body does not displace by the application of force ,No work done takes place.
A Man is pushing a trolley , trolley move forward
Work done takes place
Man lift the weight from ground to a height, work done by a man
Work
• Work is a  Product of Force and Displacement in the direction of force
applied
• W = F x  S
• Work is a Scalar Quantity.
Page 5

Work  chapter for CBSE IV
Prepared by
Prof. Shishir Deshmukh
Work can be generally said to be Physical or Mental
Initial Position Final Position
Man apply a force on trolley  change its position due to gain of energy by trolley
And Man losses energy
Boy reading a book ,doing a mental work
Scientifically Work is said to be Done when body is displace by the application of force,
If body does not displace by the application of force ,No work done takes place.
A Man is pushing a trolley , trolley move forward
Work done takes place
Man lift the weight from ground to a height, work done by a man
Work
• Work is a  Product of Force and Displacement in the direction of force
applied
• W = F x  S
• Work is a Scalar Quantity.
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